server/common/exp.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <support@deliantra.net>
 */

#include <stdio.h>
#include <global.h>

sint64 *levels;

float exp_att_mult[NROFATTACKS + 2] = {
  0.0,                          /* AT_PHYSICAL  */
  0.0,                          /* AT_MAGIC     */
  0.0,                          /* AT_FIRE      */
  0.0,                          /* AT_ELECTRICITY */
  0.0,                          /* AT_COLD      */
  0.0,                          /* AT_WATER     *//*AT_CONFUSION! */
  0.4,                          /* AT_ACID      */
  1.5,                          /* AT_DRAIN     */
  0.0,                          /* AT_WEAPONMAGIC */
  0.1,                          /* AT_GHOSTHIT  */
  0.3,                          /* AT_POISON    */
  0.2,                          /* AT_DISEASE   */
  0.3,                          /* AT_PARALYZE  */
  0.0,                          /* AT_TURN_UNDEAD */
  0.0,                          /* AT_FEAR      */
  0.0,                          /* AT_CANCELLATION */
  0.0,                          /* AT_DEPLETE */
  0.0,                          /* AT_DEATH */
  0.0,                          /* AT_CHAOS */
  0.0                           /* AT_COUNTERSPELL */
};

float exp_prot_mult[NROFATTACKS + 2] = {
  0.4,                          /* AT_PHYSICAL  */
  0.5,                          /* AT_MAGIC     */
  0.1,                          /* AT_FIRE      */
  0.1,                          /* AT_ELECTRICITY */
  0.1,                          /* AT_COLD      */
  0.1,                          /* AT_WATER     */
  0.1,                          /* AT_ACID      */
  0.1,                          /* AT_DRAIN     */
  0.1,                          /* AT_WEAPONMAGIC */
  0.1,                          /* AT_GHOSTHIT  */
  0.1,                          /* AT_POISON    */
  0.1,                          /* AT_DISEASE   */
  0.1,                          /* AT_PARALYZE  */
  0.1,                          /* AT_TURN_UNDEAD */
  0.1,                          /* AT_FEAR      */
  0.0,                          /* AT_CANCELLATION */
  0.0,                          /* AT_DEPLETE */
  0.0,                          /* AT_DEATH */
  0.0,                          /* AT_CHAOS */
  0.0                           /* AT_COUNTERSPELL */
};

/*
 * new_exp() is an alternative way to calculate experience based
 * on the ability of a monster.
 * It's far from perfect, and doesn't consider everything which
 * can be considered, thus it's only used in debugging.
 * this is only used with one of the dumpflags,
 * and not anyplace in the code.
 */
int
new_exp (const object *ob)
{
  double att_mult, prot_mult, spec_mult;
  double exp;
  int i;
  long mask = 1;

  att_mult = prot_mult = spec_mult = 1.0;
  for (i = 0; i < NROFATTACKS; i++)
    {
      mask = 1 << i;
      att_mult += (exp_att_mult[i] * ((ob->attacktype & mask) != 0));
      /* We multiply & then divide to prevent roundoffs on the floats.
       * the doubling is to take into account the table and resistances
       * are lower than they once were.
       */
      prot_mult += (exp_prot_mult[i] * 200 * ob->resist[i]) / 100.0;
    }
  spec_mult += (0.3 * (QUERY_FLAG (ob, FLAG_SEE_INVISIBLE) != 0)) +
    (0.5 * (QUERY_FLAG (ob, FLAG_SPLITTING) != 0)) +
    (0.3 * (QUERY_FLAG (ob, FLAG_HITBACK) != 0)) +
    (0.1 * (QUERY_FLAG (ob, FLAG_REFL_MISSILE) != 0)) +
    (0.3 * (QUERY_FLAG (ob, FLAG_REFL_SPELL) != 0)) +
    (1.0 * (QUERY_FLAG (ob, FLAG_NO_MAGIC) != 0)) +
    (0.1 * (QUERY_FLAG (ob, FLAG_PICK_UP) != 0)) +
    (0.1 * (QUERY_FLAG (ob, FLAG_USE_SCROLL) != 0)) +
    (0.2 * (QUERY_FLAG (ob, FLAG_USE_RANGE) != 0)) + (0.1 * (QUERY_FLAG (ob, FLAG_USE_BOW) != 0));

  exp = (ob->stats.maxhp < 5) ? 5 : ob->stats.maxhp;
  exp *= (QUERY_FLAG (ob, FLAG_CAST_SPELL) && has_ability (ob)) ? (40 + (ob->stats.maxsp > 80 ? 80 : ob->stats.maxsp)) / 40 : 1;
  exp *= (80.0 / (70.0 + ob->stats.wc)) * (80.0 / (70.0 + ob->stats.ac)) * (50.0 + ob->stats.dam) / 50.0;
  exp *= att_mult * prot_mult * spec_mult;
  exp *= 2.0 / (2.0 - ((fabs (ob->speed) < 0.95) ? fabs (ob->speed) : 0.95));
  exp *= (20.0 + ob->stats.Con) / 20.0;
  if (QUERY_FLAG (ob, FLAG_STAND_STILL))
    exp /= 2;

  return (int) exp;
}

/*
 * Returns true if the monster specified has any innate abilities.
 */

int
has_ability (const object *ob)
{
  object *tmp;

  for (tmp = ob->inv; tmp != NULL; tmp = tmp->below)
    if (tmp->type == SPELL || tmp->type == SPELLBOOK)
      return true;
  return false;
}

/* This loads the experience table from the exp_table
 * file.  This tends to exit on any errors, since it
 * populates the table as it goes along, so if there
 * are errors, the table is likely in an inconsistent
 * state.
 */
void
init_experience (void)
{
  char buf[MAX_BUF], *cp;
  int lastlevel = 0, comp;
  sint64 lastexp = -1, tmpexp;
  FILE *fp;


  sprintf (buf, "%s/exp_table", settings.confdir);

  if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL)
    {
      return;
    }
  while (fgets (buf, MAX_BUF - 1, fp) != NULL)
    {
      if (buf[0] == '#')
        continue;

      /* eliminate newline */
      if ((cp = strrchr (buf, '\n')) != NULL)
        *cp = '\0';

      /* Skip over empty lines */
      if (buf[0] == 0)
        continue;
      cp = buf;
      while (isspace (*cp) && *cp != 0)
        cp++;
      if (!strncasecmp (cp, "max_level", 9))
        {
          if (settings.max_level)
            {
              LOG (llevDebug, "Got more than one max_level value from exp_table file?\n");
              free (levels);
            }
          settings.max_level = atoi (cp + 9);
          if (!settings.max_level)
            {
              LOG (llevDebug, "Got invalid max_level from exp_table file? %s\n", buf);
            }
          else
            {
              levels = (sint64 *) calloc (settings.max_level + 1, sizeof (sint64));
            }
        }
      while (isdigit (*cp) && *cp != 0)
        {
          if (!settings.max_level)
            {
              LOG (llevError, "max_level is not set in exp_table file.  Did you remember to update it?\n");
              exit (1);
            }

          tmpexp = atoll (cp);
          /* Do some sanity checking - if value is bogus, just exit because
           * the table otherwise is probably in an inconsistent state
           */
          if (tmpexp <= lastexp)
            {
              LOG (llevError, "Experience for level %d is lower than previous level (%" PRId64 " <= %" PRId64 ")\n", lastlevel + 1, tmpexp, lastexp);
              exit (1);
            }
          lastlevel++;
          if (lastlevel > settings.max_level)
            {
              LOG (llevError, "Too many levels specified in table (%d > %d)\n", lastlevel, settings.max_level);
              exit (1);
            }
          levels[lastlevel] = tmpexp;
          lastexp = tmpexp;
          /* First, skip over the number we just processed. Then skip over
           * any spaces, commas, etc.
           */
          while (isdigit (*cp) && *cp != 0)
            cp++;
          while (!isdigit (*cp) && *cp != 0)
            cp++;
        }
    }
  close_and_delete (fp, comp);
  if (lastlevel != settings.max_level && lastlevel != 0)
    {
      LOG (llevError, "Warning: exp_table does not have %d entries (%d)\n", settings.max_level, lastlevel);
      exit (1);
    }
}

Revision:	1.19
Committed:	Tue May 6 16:55:25 2008 UTC (16 years ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_80, rel-2_6, rel-2_7, rel-2_72, rel-2_73, rel-2_71, rel-2_76, rel-2_77, rel-2_74, rel-2_75, rel-2_54, rel-2_55, rel-2_56, rel-2_79, rel-2_78, rel-2_61
Changes since 1.18:	+1 -1 lines
Log Message:	update copyright
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*
8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*
21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/
23
24	#include <stdio.h>
25	#include <global.h>
26
27	sint64 *levels;
28
29	float exp_att_mult[NROFATTACKS + 2] = {
30	0.0, /* AT_PHYSICAL */
31	0.0, /* AT_MAGIC */
32	0.0, /* AT_FIRE */
33	0.0, /* AT_ELECTRICITY */
34	0.0, /* AT_COLD */
35	0.0, /* AT_WATER //AT_CONFUSION! */
36	0.4, /* AT_ACID */
37	1.5, /* AT_DRAIN */
38	0.0, /* AT_WEAPONMAGIC */
39	0.1, /* AT_GHOSTHIT */
40	0.3, /* AT_POISON */
41	0.2, /* AT_DISEASE */
42	0.3, /* AT_PARALYZE */
43	0.0, /* AT_TURN_UNDEAD */
44	0.0, /* AT_FEAR */
45	0.0, /* AT_CANCELLATION */
46	0.0, /* AT_DEPLETE */
47	0.0, /* AT_DEATH */
48	0.0, /* AT_CHAOS */
49	0.0 /* AT_COUNTERSPELL */
50	};
51
52	float exp_prot_mult[NROFATTACKS + 2] = {
53	0.4, /* AT_PHYSICAL */
54	0.5, /* AT_MAGIC */
55	0.1, /* AT_FIRE */
56	0.1, /* AT_ELECTRICITY */
57	0.1, /* AT_COLD */
58	0.1, /* AT_WATER */
59	0.1, /* AT_ACID */
60	0.1, /* AT_DRAIN */
61	0.1, /* AT_WEAPONMAGIC */
62	0.1, /* AT_GHOSTHIT */
63	0.1, /* AT_POISON */
64	0.1, /* AT_DISEASE */
65	0.1, /* AT_PARALYZE */
66	0.1, /* AT_TURN_UNDEAD */
67	0.1, /* AT_FEAR */
68	0.0, /* AT_CANCELLATION */
69	0.0, /* AT_DEPLETE */
70	0.0, /* AT_DEATH */
71	0.0, /* AT_CHAOS */
72	0.0 /* AT_COUNTERSPELL */
73	};
74
75	/*
76	* new_exp() is an alternative way to calculate experience based
77	* on the ability of a monster.
78	* It's far from perfect, and doesn't consider everything which
79	* can be considered, thus it's only used in debugging.
80	* this is only used with one of the dumpflags,
81	* and not anyplace in the code.
82	*/
83	int
84	new_exp (const object *ob)
85	{
86	double att_mult, prot_mult, spec_mult;
87	double exp;
88	int i;
89	long mask = 1;
90
91	att_mult = prot_mult = spec_mult = 1.0;
92	for (i = 0; i < NROFATTACKS; i++)
93	{
94	mask = 1 << i;
95	att_mult += (exp_att_mult[i] * ((ob->attacktype & mask) != 0));
96	/* We multiply & then divide to prevent roundoffs on the floats.
97	* the doubling is to take into account the table and resistances
98	* are lower than they once were.
99	*/
100	prot_mult += (exp_prot_mult[i] * 200 * ob->resist[i]) / 100.0;
101	}
102	spec_mult += (0.3 * (QUERY_FLAG (ob, FLAG_SEE_INVISIBLE) != 0)) +
103	(0.5 * (QUERY_FLAG (ob, FLAG_SPLITTING) != 0)) +
104	(0.3 * (QUERY_FLAG (ob, FLAG_HITBACK) != 0)) +
105	(0.1 * (QUERY_FLAG (ob, FLAG_REFL_MISSILE) != 0)) +
106	(0.3 * (QUERY_FLAG (ob, FLAG_REFL_SPELL) != 0)) +
107	(1.0 * (QUERY_FLAG (ob, FLAG_NO_MAGIC) != 0)) +
108	(0.1 * (QUERY_FLAG (ob, FLAG_PICK_UP) != 0)) +
109	(0.1 * (QUERY_FLAG (ob, FLAG_USE_SCROLL) != 0)) +
110	(0.2 * (QUERY_FLAG (ob, FLAG_USE_RANGE) != 0)) + (0.1 * (QUERY_FLAG (ob, FLAG_USE_BOW) != 0));
111
112	exp = (ob->stats.maxhp < 5) ? 5 : ob->stats.maxhp;
113	exp *= (QUERY_FLAG (ob, FLAG_CAST_SPELL) && has_ability (ob)) ? (40 + (ob->stats.maxsp > 80 ? 80 : ob->stats.maxsp)) / 40 : 1;
114	exp = (80.0 / (70.0 + ob->stats.wc)) (80.0 / (70.0 + ob->stats.ac)) * (50.0 + ob->stats.dam) / 50.0;
115	exp = att_mult prot_mult * spec_mult;
116	exp *= 2.0 / (2.0 - ((fabs (ob->speed) < 0.95) ? fabs (ob->speed) : 0.95));
117	exp *= (20.0 + ob->stats.Con) / 20.0;
118	if (QUERY_FLAG (ob, FLAG_STAND_STILL))
119	exp /= 2;
120
121	return (int) exp;
122	}
123
124	/*
125	* Returns true if the monster specified has any innate abilities.
126	*/
127
128	int
129	has_ability (const object *ob)
130	{
131	object *tmp;
132
133	for (tmp = ob->inv; tmp != NULL; tmp = tmp->below)
134	if (tmp->type == SPELL \|\| tmp->type == SPELLBOOK)
135	return true;
136	return false;
137	}
138
139	/* This loads the experience table from the exp_table
140	* file. This tends to exit on any errors, since it
141	* populates the table as it goes along, so if there
142	* are errors, the table is likely in an inconsistent
143	* state.
144	*/
145	void
146	init_experience (void)
147	{
148	char buf[MAX_BUF], *cp;
149	int lastlevel = 0, comp;
150	sint64 lastexp = -1, tmpexp;
151	FILE *fp;
152
153
154	sprintf (buf, "%s/exp_table", settings.confdir);
155
156	if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL)
157	{
158	return;
159	}
160	while (fgets (buf, MAX_BUF - 1, fp) != NULL)
161	{
162	if (buf[0] == '#')
163	continue;
164
165	/* eliminate newline */
166	if ((cp = strrchr (buf, '\n')) != NULL)
167	*cp = '\0';
168
169	/* Skip over empty lines */
170	if (buf[0] == 0)
171	continue;
172	cp = buf;
173	while (isspace (cp) && cp != 0)
174	cp++;
175	if (!strncasecmp (cp, "max_level", 9))
176	{
177	if (settings.max_level)
178	{
179	LOG (llevDebug, "Got more than one max_level value from exp_table file?\n");
180	free (levels);
181	}
182	settings.max_level = atoi (cp + 9);
183	if (!settings.max_level)
184	{
185	LOG (llevDebug, "Got invalid max_level from exp_table file? %s\n", buf);
186	}
187	else
188	{
189	levels = (sint64 *) calloc (settings.max_level + 1, sizeof (sint64));
190	}
191	}
192	while (isdigit (cp) && cp != 0)
193	{
194	if (!settings.max_level)
195	{
196	LOG (llevError, "max_level is not set in exp_table file. Did you remember to update it?\n");
197	exit (1);
198	}
199
200	tmpexp = atoll (cp);
201	/* Do some sanity checking - if value is bogus, just exit because
202	* the table otherwise is probably in an inconsistent state
203	*/
204	if (tmpexp <= lastexp)
205	{
206	LOG (llevError, "Experience for level %d is lower than previous level (%" PRId64 " <= %" PRId64 ")\n", lastlevel + 1, tmpexp, lastexp);
207	exit (1);
208	}
209	lastlevel++;
210	if (lastlevel > settings.max_level)
211	{
212	LOG (llevError, "Too many levels specified in table (%d > %d)\n", lastlevel, settings.max_level);
213	exit (1);
214	}
215	levels[lastlevel] = tmpexp;
216	lastexp = tmpexp;
217	/* First, skip over the number we just processed. Then skip over
218	* any spaces, commas, etc.
219	*/
220	while (isdigit (cp) && cp != 0)
221	cp++;
222	while (!isdigit (cp) && cp != 0)
223	cp++;
224	}
225	}
226	close_and_delete (fp, comp);
227	if (lastlevel != settings.max_level && lastlevel != 0)
228	{
229	LOG (llevError, "Warning: exp_table does not have %d entries (%d)\n", settings.max_level, lastlevel);
230	exit (1);
231	}
232	}
233